APA (7th ed.) Citation

Fletcher, H., & Howell, A. A. (1970). Mathematics with understanding, Book 1 (First edition.). Pergamon Press.

Chicago Style (17th ed.) Citation

Fletcher, Harold, and Arnold A. Howell. Mathematics with Understanding, Book 1. First edition. Oxford: Pergamon Press, 1970.

MLA (9th ed.) Citation

Fletcher, Harold, and Arnold A. Howell. Mathematics with Understanding, Book 1. First edition. Pergamon Press, 1970.